DESIGN OF CUSTOMER DATA MANAGEMENT INFORMATION SYSTEM FOR CNOP AND OLO USING THE WATERFALL MODEL (Case Study: PT. Telkom). Jurnal Riset Teknik Informatika, [S. l.], v. 2, n. 2, p. 314–323, 2026. Disponível em: https://ejournal.jurnalist.org/index.php/jureti/article/view/100.. Acesso em: 5 aug. 2026.